<template>
  <div class="tea-upload">
    <el-upload
      ref="elUpload"
      class="avatar-uploader"
      action="''"
      :show-file-list="false"
      :on-success="handleAvatarSuccess"
      :http-request="upload"
    >
      <img
        v-if="imgUrl || imageUrl"
        :src="imageUrl | getPath(imgUrl, url)"
        class="avatar"
      />
      <i v-else class="el-icon-plus avatar-uploader-icon"></i>
    </el-upload>
  </div>
</template>

<script>
import { uploadOtherImg } from "@/api/tea-manager";
import { mapState } from "vuex";

export default {
  name: "UploadImg",
  props: {
    keyId: Number,
    imgUrl: {
      type: String,
      default: "",
    },
  },
  computed: {
    ...mapState({
      url: (state) => state.url,
    }),
  },
  filters: {
    getPath(imageUrl, imgUrl, host) {
      if (imgUrl) {
        return host + imgUrl;
      }
      return host + imageUrl;
    },
  },
  data() {
    return {
      imageUrl: "",
      path: "",
    };
  },
  created() {},
  methods: {
    clickUpload() {
      console.log(this.$refs.elUpload);
    },
    handleAvatarSuccess(res, file) {
      // this.imageUrl = URL.createObjectURL(file.raw);
    },
    beforeAvatarUpload(file) {
      const isJPG = file.type === "image/jpeg";
      const isLt2M = file.size / 1024 / 1024 < 2;

      if (!isJPG) {
        this.$message.error("上传头像图片只能是 JPG 格式!");
      }
      if (!isLt2M) {
        this.$message.error("上传头像图片大小不能超过 2MB!");
      }
      return isJPG && isLt2M;
    },
    // 上传图片到OSS 同时派发一个事件给父组件监听
    upload(item) {
      console.log(item);
      let data = new FormData();
      data.append("file", item.file);
      uploadOtherImg(data).then((res) => {
        console.log(res);
        this.$emit("on-success", res.data.data.path);
        this.$emit("update:imgUrl", res.data.data.path);
        this.imageUrl = res.data.data.path;
        this.$emit("update:keyId", res.data.data.otherKeyId);
        this.$emit("upload-success", res.data.data);
      });
    },
  },
};
</script>

<style>
.avatar-uploader .el-upload {
  border: 1px dashed #d9d9d9;
  border-radius: 6px;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}
.avatar-uploader .el-upload:hover {
  border-color: #409eff;
}
.avatar-uploader-icon {
  font-size: 28px;
  color: #8c939d;
  width: 178px;
  height: 178px;
  line-height: 178px;
  text-align: center;
}
.avatar {
  width: 178px;
  height: 178px;
  display: block;
}
</style>
